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Differential privacy security for benchmarking

a privacy security and benchmarking technology, applied in the field of differential privacy security for benchmarking, can solve the problems of revealing identifying information, tenants may not be willing to contribute their data, and report containing detailed tenant data or tenant data associated with a small number of tenants may be vulnerable to attacks

Active Publication Date: 2021-06-24
WORKDAY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even when user identifying information is removed from report data, reports comprising detailed tenant data or tenant data associated with a small number of tenants may be vulnerable to attacks using external database information to determine the identity of users with data included in the report.
This creates a problem where tenants may not be willing to contribute their data for fear that their users' identifying information will be revealed.

Method used

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  • Differential privacy security for benchmarking
  • Differential privacy security for benchmarking
  • Differential privacy security for benchmarking

Examples

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Embodiment Construction

[0013]The invention can be implemented in numerous ways, including as a process; an apparatus; a system; a composition of matter; a computer program product embodied on a computer readable storage medium; and / or a processor, such as a processor configured to execute instructions stored on and / or provided by a memory coupled to the processor. In this specification, these implementations, or any other form that the invention may take, may be referred to as techniques. In general, the order of the steps of disclosed processes may be altered within the scope of the invention. Unless stated otherwise, a component such as a processor or a memory described as being configured to perform a task may be implemented as a general component that is temporarily configured to perform the task at a given time or a specific component that is manufactured to perform the task. As used herein, the term ‘processor’ refers to one or more devices, circuits, and / or processing cores configured to process da...

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Abstract

A system for determining a calculation utilizing differential privacy including an interface and a processor. The interface is configured to receive a request to determine result data of a calculation using multitenanted data. The multitenanted data comprises tenant data associated with a plurality of tenants. The processor is configured to: determine the result data by performing the calculation on the multitenanted data; determine whether a deterministic modification is needed to ensure privacy based at least in part on whether a number of participants in the result data is less than a threshold; and in response to determining that the deterministic modification is needed to ensure privacy: determine the deterministic modification; numerically modify the result data using the deterministic modification to determine modified result data; and provide the modified result data.

Description

CROSS REFERENCE TO OTHER APPLICATIONS[0001]This application is a continuation of U.S. patent application Ser. No. 15 / 693,787 entitled DIFFERENTIAL PRIVACY SECURITY FOR BENCHMARKING filed Sep. 1, 2017 which is incorporated herein by reference for all purposes.BACKGROUND OF THE INVENTION[0002]On a software as a service platform, tenant data is strictly segregated in order to maintain separation of data belonging to different tenants. Tenant data is stored on a set of data partitions securely separated by tenant (e.g., on different computers, on different hard drives, on different virtual machines, etc.) in order to prevent users from accessing data belonging to other tenants. In some situations, tenants wish to share data for comparison purposes or to get a more complete view of a situation (e.g., salary surveys or other industry benchmarks) and they provide a data set to a third party in exchange for access to the pooled set. The third party performs computations on the pooled data s...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F21/62H04L9/06G06F7/58G06F17/18
CPCG06F21/6254H04L9/0643G06F7/4915G06F17/18H04L9/0662G06F7/582G06F21/6245G06F7/4912
Inventor GULSEN, DENISAGGARWAL, ANKIT
Owner WORKDAY INC
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